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Palynostratigraphic study of the Early Cretaceous Río Mayer and Kachaike formations at the Quebrada El Moro Section, Austral Basin, southwestern Argentina
(Academic Press Ltd - Elsevier Science Ltd, 2012-04)
Palynomorph assemblages have been recovered from the upper levels of the Río Mayer Formation and the basal levels of the Kachaike Formation exposed at the Puesto El Moro Creek, southwest of Santa Cruz Province, Argentina. ...
Gleicheniaceaephyllum San-Martini, a new name for Gleichenites San-Martini Halle Emend. Herbst 1962
(Asociacion Paleontologica Argentina, 2013-12)
The Cretaceous fern species Gleichenites san-martini Halle emend. Herbst is here combined to the genus Gleicheniaceaephyllum, since "Gleichenites" type specimens were transferred to pteridosperm taxa, and thus it is ...
Coniferous Ovulate Cones from the Lower Cretaceous of Santa Cruz Province, Argentina
(University of Chicago Press, 2008-07)
Two types of coniferous ovulate cones borne on leafy twigs are described from the Lower Cretaceous Kachaike Formation in Santa Cruz Province, Argentina. The fossils are impressions and compressions with well-preserved ...
Cretaceous angiosperm pollen from the Kachaike Formation, south-western Santa Cruz Province, Argentina
(Taylor & Francis, 2015-07)
Thirty-three angiosperm pollen species are here reported from mid-Cretaceous deposits of the Kachaike Formation, Austral Basin, southern Argentina. Clavatipollenites is the most abundant angiosperm genus, with six well-defined ...
Early cretaceous dinoflagellate cysts from the neuquen and austral basins: a reviewQuistes de dinoflagelados del Cretácico temprano de las cuencas Neuquina y Austral: bioestratigrafía y paleobiogeografía
(Asociación Paleontológica Argentina, 2016-10)
Se documentaron y recopilaron los registros más relevantes de los quistes de dinoflagelados de pared orgánica provenientes del Cretácico inferior de las cuencas Neuquina y Austral en diferentes localidades de estudio. La ...
Two new angiosperm leaf morphotypes from the Anfiteatro de Ticó Formation (mid-Aptian) Santa Cruz Province, Argentina
(Elsevier Science, 2016-11)
Floodplain deposits of the Anfiteatro de Ticó Formation (Baqueró Group, Aptian), in Patagonia (Argentina), are rich in plant remains and contain some of the oldest angiosperm records of southern Gondwana. Many gymnosperm ...
Lower Cretaceous provenance in the northern Austral basin of Patagonia from sedimentary petrography
(Elsevier, 2015-09)
The northern Austral basin from Patagonia is characterized by an Early Cretaceous (Barremian–Albian) coarse-grained regressive sequence. These littoral to continental deposits conform a 150 km long basin cropping out along ...
Ultrastructural study of Arcellites humilis Villar de Seoane and Archangelsky, 2008, from the Cretaceous of Patagonia, Argentina
(Elsevier France-editions Scientifiques Medicales Elsevier, 2013-04-17)
A scanning and transmission electron microscopy-based ultrastructural study of Arcellites humilis Villar de Seoane and Archangelsky, 2008, from the Kachaike Formation and Piedra Clavada Formation (Albian- Cenomanian) from ...
Fourier transform infrared spectroscopy studies of cretaceous gymnosperms from the santa cruz province, patagonia, argentina
(University of Chicago Press, 2021-07)
Premise of research. In this contribution, the spectroscopic characterization of gymnosperm fossil remains belonging to Pteridospermophyta, Cycadophyta, Ginkgophyta, and Coniferophyta collected from the Anfiteatro de Ticó ...
Palinología y paleoambientes en el perfil de Bajo Comisión (Cretácico), provincia de Santa Cruz, ArgentinaPalynology and paleoenvironments of the Bajo Comisión section, Cretaceous of Santa Cruz province, Argentina
(Museo Argentino de Ciencias Naturales "Bernardino Rivadavia", 2012-06)
El perfil de la clásica localidad Bajo Comisión, originalmente estudiada por T. Halle, ha brindado información estratigráfica adicional. Se determinaron más de 200 especies de palinomorfos recuperados de 16 niveles fértiles ...